# Crazy Eights(UNO!) vs Math Devil

The clearest difference is ads: Crazy Eights(UNO!) at none against Math Devil's shown. Crazy Eights(UNO!) also leads on monetization model (free vs ad-supported). Math Devil's advantage is iOS requirement (12.0 vs 17.2). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Crazy Eights(UNO!) against 5.0 for Math Devil. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Crazy Eights(UNO!) | Math Devil |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/crazy-eightsuno/id6479642361/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/math-devil-a-troll-level-game/id6742674755/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Monetization | **Free** | Ad-supported |
| Size | 51 MB | 134 MB |
| Requires iOS | 17.2 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [mahmoud amiri](https://appshunter.io/developer/1478096384) | [友洲 陈](https://appshunter.io/developer/1037704522) |

## What reviewers say

### Crazy Eights(UNO!)

[App page](https://appshunter.io/ios/app/crazy-eightsuno/id6479642361)

This card game challenges players to be the first to empty their hand. It offers extensive personalization options for avatars, decks, and backgrounds, along with helpful features like undo and adjustable game speed. AI opponents provide a competitive experience.

**Highlights:** Personalize appearance (avatar, deck, backgrounds), Undo move functionality, Adjustable game speed, AI opponents, Customizable audio effects

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Devil

[App page](https://appshunter.io/ios/app/math-devil-a-troll-level-game/id6742674755)

A challenging 2D platformer that combines difficult levels with math-based puzzles. Navigate traps and solve problems involving various mathematical concepts to progress. It offers a unique test of both reflexes and intellect.

**Highlights:** Challenging 2D platformer gameplay, Math puzzle integration, Multiple difficulty levels, Variety of math concepts covered, Trap-filled environments

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Crazy Eights(UNO!) free?

Crazy Eights(UNO!) is free to download, with no in-app purchases.

### Is Math Devil free?

Math Devil is free to download, with no in-app purchases.

### Which has better reviews, Crazy Eights(UNO!) or Math Devil?

Crazy Eights(UNO!) and Math Devil are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Crazy Eights(UNO!) or Math Devil have ads?

Math Devil shows ads; Crazy Eights(UNO!) does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*